class Child {
  final String id;
  final String firstName;
  final String lastName;
  final DateTime? birthDate;
  final DateTime? expectedBirthDate;
  final String? photoUrl;
  final bool hasPhotoConsent;
  final DateTime? photoConsentDate;
  final String status; // 'unborn', 'active', 'schooled'
  final List<String> parentIds;
  final bool isMultipleBirth; // true pour jumeaux, triplés, etc.
  final DateTime createdAt;
  final DateTime updatedAt;

  Child({
    required this.id,
    required this.firstName,
    required this.lastName,
    this.birthDate,
    this.expectedBirthDate,
    this.photoUrl,
    required this.hasPhotoConsent,
    this.photoConsentDate,
    required this.status,
    required this.parentIds,
    required this.isMultipleBirth,
    required this.createdAt,
    required this.updatedAt,
  });

  factory Child.fromJson(Map<String, dynamic> json) {
    return Child(
      id: json['id'],
      firstName: json['firstName'],
      lastName: json['lastName'],
      birthDate: json['birthDate'] != null 
          ? DateTime.parse(json['birthDate'])
          : null,
      expectedBirthDate: json['expectedBirthDate'] != null 
          ? DateTime.parse(json['expectedBirthDate'])
          : null,
      photoUrl: json['photoUrl'],
      hasPhotoConsent: json['hasPhotoConsent'] ?? false,
      photoConsentDate: json['photoConsentDate'] != null 
          ? DateTime.parse(json['photoConsentDate'])
          : null,
      status: json['status'] ?? 'unborn',
      parentIds: List<String>.from(json['parentIds'] ?? []),
      isMultipleBirth: json['isMultipleBirth'] ?? false,
      createdAt: DateTime.parse(json['createdAt']),
      updatedAt: DateTime.parse(json['updatedAt']),
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'id': id,
      'firstName': firstName,
      'lastName': lastName,
      'birthDate': birthDate?.toIso8601String(),
      'expectedBirthDate': expectedBirthDate?.toIso8601String(),
      'photoUrl': photoUrl,
      'hasPhotoConsent': hasPhotoConsent,
      'photoConsentDate': photoConsentDate?.toIso8601String(),
      'status': status,
      'parentIds': parentIds,
      'isMultipleBirth': isMultipleBirth,
      'createdAt': createdAt.toIso8601String(),
      'updatedAt': updatedAt.toIso8601String(),
    };
  }
}